package authentication;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import model.User;

public class AdminFilter implements Filter {

    @Override
    public void destroy() {
    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain filter) throws IOException, ServletException {
        HttpServletRequest req = (HttpServletRequest) request;
        HttpServletResponse res = (HttpServletResponse) response;

        HttpSession session = req.getSession(true);
        User user = (User) session.getAttribute("user");
        if (user.getRole() == 2) {
            session.invalidate();
            res.sendRedirect("/MetricTools/views/home.jsf");
            return;
        }
        filter.doFilter(request, response);
    }
    private FilterConfig fc;

    @Override
    public void init(FilterConfig config) throws ServletException {
        this.fc = config;
    }
}
